Comprehensive catalogue of industrial-grade synthetic peptides, active pharmaceutical ingredients (APIs), and customized synthesis lines manufactured under strict cGMP protocols.
Tesamorelin Acetate (CAS No: 218949-48-5) is a synthetic 44-amino acid peptide analog of Growth Hormone-Releasing Hormone (GHRH), modified at the N-terminus with a hexenoyl moiety to enhance enzymatic resistance and plasma half-life. As global demand escalates for specialized therapeutic peptides targetting lipodystrophy, visceral adipose tissue (VAT) reduction, and endocrine metabolic regulation, global pharmaceutical enterprises increasingly look toward China's advanced biomanufacturing ecosystem for reliable, high-yield, high-purity batch sourcing.
To maintain authoritative regulatory compliance (FDA DMF, cGMP, and ISO 13485 standards), leading Chinese manufacturers employ rigorous analytical methodologies including Reverse-Phase High-Performance Liquid Chromatography (RP-HPLC), Mass Spectrometry (LC-MS), and Ion Chromatography for trifluoroacetate (TFA) salt exchange.
| Parameter Standard | Analytical Method | Acceptance Criteria (Commercial Standard) |
|---|---|---|
| Chemical Structure & CAS | NMR / MS Confirmation | trans-3-Hexenoyl-Tyr-Ala-Asp-Ala-Ala...-NH2 (CAS 218949-48-5) |
| Chemical Purity (RP-HPLC) | HPLC (220 nm) | ≥ 98.0% (Custom batches ≥ 99.5% single impurity < 0.5%) |
| Target Fill Weight | Gravimetric / Content Uniformity | 20.0 mg per vial ± 2.5% |
| Peptide Content (N Content) | Elemental Analysis / UV | ≥ 85.0% w/w (Peptide net weight purity) |
| Residual Solvents | Headspace Gas Chromatography (GC) | Meets ICH Q3C limits (Acetonitrile < 410ppm, DMF < 880ppm) |
| Counter-Ion Content (TFA / Acetate) | Ion Chromatography | Acetate Content ≥ 95% (TFA counter-ion exchange < 1.0%) |
| Endotoxin Level | LAL Kinetic Chromogenic Test | < 5.0 EU/mg (Parenteral injection grade standard) |
| Sterility & Bioburden | USP <71> Sterility Test | Passes 14-day direct inoculation culture test |
Utilizing Fmoc strategy on high-load Rink Amide resin. Coupling steps are optimized with HATU/DIPEA reagents to ensure complete conversion of hydrophobic 44-residue sequences without racemization.
Multi-stage preparative RP-HPLC purifies crude peptide from deletion sequences. Subsequent salt-exchange converts harsh TFA salts into bio-compatible acetate forms essential for clinical formulation.
Controlled freezing cycles prevent structural collapse of the 20mg cake. Mannitol/Sucrose excipient ratios are engineered to guarantee immediate reconstitution in Sterile Water for Injection (SWFI).
China has transformed into the primary global nexus for active pharmaceutical ingredient (API) synthesis, driven by unmatched upstream chemical supply integration, specialized scientific labor, and modern cGMP facility infrastructure. Global B2B buyers gain quantifiable structural advantages when establishing direct OEM/ODM partnerships with qualified Chinese factories.
China manufactures over 70% of the world’s protected amino acids (Fmoc/Boc), coupling agents, and specialized synthesis resins. By eliminating cross-border component transport costs and lead times, Chinese factories offer stable bulk pricing unaffected by international supply bottlenecks.
Equipped with 1000L+ industrial synthesis reactors and automated multi-channel freeze-dryers, top Chinese facilities can scale production seamlessly from milligram-scale R&D batches up to multi-kilogram commercial lots, maintaining identical purity metrics across scales.
Leading Chinese export factories provide robust regulatory documentation suites, including Drug Master Files (DMF), Certificate of Analysis (CoA) validated by third-party testing (SGS/Eurofins), and ICH-compliant stability testing reports (accelerated and long-term).
Beyond raw API supply, Chinese companies offer end-to-end custom manufacturing: custom vial crimping, specialized 20mg fill volumes, custom lyoprotectant matrix design, sterile cold-chain packaging, and private label box printing for global distributors.
Gentolex’s goal is to create opportunities connecting the world with better services and guaranteed products. Up to date, Gentolex Group has been serving customers from more than 10 countries, specially, representatives are established in Mexico and South Africa. Our main services focus on supplying peptides APIs and Custom Peptides, FDF license out, Technical Support & Consultation, Product Line and Lab Setup, Sourcing & Supply Chain Solutions.
An overall factory construction area of 250,000 square meters under international standard to offer flexible, scalable and cost-effective solutions.
Gentolex offers an extensive range of APIs and intermediates for development study and commercial application with cGMP standard from long-term collaborations. Documents and Certificates are supported to customers worldwide.
State-of-the-art synthetic peptide optimization, process chemistry development, analytical method validation, and scale-up engineering.
For those clients who prefer to avoid the complexity of dealing with multiple points of contact, we provide extra customized procurement services with the most superior and comprehensive supply chain sources.
HIV-Associated Lipodystrophy: Tesamorelin is specifically indicated for reducing excess visceral abdominal fat in HIV-infected patients experiencing lipodystrophy. Visceral adipose tissue (VAT) accumulation carries severe cardiovascular risk, which Tesamorelin effectively reverses without adversely depleting subcutaneous fat stores.
Non-Alcoholic Fatty Liver Disease (NAFLD / NASH): Recent clinical trials investigate Tesamorelin’s secondary effect in lowering liver fat accumulation and hepatic fibrosis, positioning it as a powerful therapeutic candidate in metabolic disease portfolios.
Cognitive Health & Growth Hormone Restoration: Scientific investigations explore GHRH signaling in age-related cognitive decline, observing that physiological GH restoration via Tesamorelin pulse stimulation enhances neural plasticity and executive function.
Shift Toward Lyophilized High-Concentration Formulations: The market demand is rapidly transitioning from daily 1mg/2mg doses to weekly administration protocols and higher-concentration multi-dose vials like Tesamorelin 20mg. This shift requires factories to possess advanced lyophilization techniques to preserve bioactivity over extended shelf lives.
Combination Anti-Aging & Metabolic Regimens: Global anti-aging clinics and clinical research institutes are bundling GHRH analogs (such as Tesamorelin and Sermorelin) with GHRH secretagogues (GHRP-6, CJC-1295) or GLP-1 agonists (Semaglutide, Tirzepatide) to optimize metabolic composition, creating compound supply chain opportunities for manufacturers capable of offering full-spectrum synthesis.
Stay informed with scientific breakdowns and industrial supply developments from Gentolex chemists.
Introduction to Selank Acetate API. Selank Acetate API is a synthetic heptapeptide active pharmaceutical ingredient composed of Thr-Lys-Pro-Arg-Pro-Gly-Pro sequence...
View Details
Trusted Thymosin Beta-4 API Manufacturer and Global Peptide Supplier. Providing high-quality Thymosin Beta-4 peptide solutions for biotech and pharmaceutical research...
View Details
BPC-157 API is a synthetic pentadecapeptide that has gained increasing attention in peptide research due to its potential biological activities related to tissue repair...
View Details
With continuous development of neuroscience, neuroactive peptides have become an important area of scientific investigation. Semax is an ACTH-derived synthetic peptide...
View Details
SS-31 API, also known as Elamipretide, MTP-131, Bendavia, is a synthetic mitochondria-targeting tetrapeptide designed to bind cardiolipin in the inner mitochondrial membrane...
View DetailsKey commercial and technical inquiries regarding Tesamorelin 20mg manufacturing, regulatory documentation, and bulk supply chains.
Explore additional high-demand research peptides, active pharmaceutical ingredients, and customized chemical building blocks available for bulk procurement.